A "mysterious ghost kidney stone" in an 8-year-old boy with a solitary right kidney, obstructive megaureter, and ureterostomy: Answers

Affiliations

• ¹ Department of Pediatrics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia, ul. 3 Maja 13/15, 41-800, Zabrze, Poland. badenski.andrzej@gmail.com.
• ² Department of Pediatrics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia, ul. 3 Maja 13/15, 41-800, Zabrze, Poland.
• ³ Department of Advanced Materials and Technologies, Faculty of Materials Engineering, Silesian University of Technology, ul. Krasińskiego 8, 40-019, Katowice, Poland.
• ⁴ Department of Pediatrics, Faculty of Medical Sciences in Katowice, Medical University of Silesia, ul. Medyków 16, 40-752, Katowice, Poland.
• ⁵ Department of Paediatrics Surgery and Urology, Faculty of Medical Sciences in Katowice, Medical University of Silesia, ul. Medyków 16, 40-752, Katowice, Poland.